Difference between revisions of "83Plus:BCALLs:5236"
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=== Destroys === | === Destroys === | ||
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=== Comments === | === Comments === | ||
Revision as of 11:56, 1 March 2007
Synopsis
Unofficial Name: RectBorder
BCALL Address: 5236
Minimum OS Version: 2.30
Either draws, erases, or inverts a rectangular border on the screen.
Inputs
- B: type of drawing (0 to erase, 1 to draw, 2 to invert)
- H: upper left corner pixel row
- L: upper left corner pixel column
- D: lower right corner pixel row
- E: lower right corner pixel column
- plotLoc,(iy+plotFlags) set to update display only, reset for both display and graph buffer
Outputs
- Rectangle is drawn
Destroys
Comments
This is the exact same thing as BCALLing DrawRectBorder or EraseRectBorder, though I suppose this has the advantage of being able to inverting it.
It was added in OS 2.30. Do not attempt to BCALL it on an earlier version.
